title: Use of cardiac pacemakers.
mesh_terms: D002037:Bundle-Branch Block / Q000175:diagnosis / Q000628:therapy; D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography; D006327:Heart Block / Q000175:diagnosis / Q000628:therapy; D006801:Humans; D009203:Myocardial Infarction / Q000175:diagnosis / Q000628:therapy; D010138:Pacemaker, Artificial / Q000009:adverse effects; D013610:Tachycardia / Q000175:diagnosis / Q000628:therapy